Google Books Ngram Viewer

Graph these comma-separated phrases:
case-insensitive
between and from the corpus with smoothing of .  
Search in Google Books:

1800 - 1974 1975 - 1980 1981 1982 - 1998 1999 - 2000 wind energy English
1800 - 1930 1931 - 1980 1981 - 1982 1983 - 1993 1994 - 2000 solar energy English
1800 - 1835 1836 - 1903 1904 - 1912 1913 - 1967 1968 - 2000 mill pond English
1800 - 1825 1826 - 1924 1925 - 1940 1941 - 1978 1979 - 2000 windmill English
1800 - 1950 1951 - 1981 1982 - 1983 1984 - 1994 1995 - 2000 photovoltaic English
1800 - 1933 1934 - 1978 1979 - 1984 1985 - 1992 1993 - 2000 hydroelectric English
1800 - 1912 1913 - 1980 1981 1982 - 1993 1994 - 2000 wind power English
1800 - 1883 1884 - 1979 1980 - 1981 1982 - 1994 1995 - 2000 solar power English
1800 - 1974 1975 - 1980 1981 1982 - 1997 1998 - 2000 wind turbine English
1800 - 1965 1966 - 1982 1983 - 1984 1985 - 1996 1997 - 2000 hydropower English

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